/Engine/Plugins/FX/Niagara/Source/NiagaraEditor/Public/ViewModels/NiagaraEmitterViewModel.h
Gets editor specific data which can be stored per emitter. If this data hasn't been created the default version will be returned.
const [UNiagaraEmitterEditorData](API\Plugins\NiagaraEditor\UNiagaraEmitterEditorData) & GetEditorData() const